Patent US3533687A successfully refreshed from Google Patents.
US3533687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eyeglasses having obliquely hinged bows
Assignee: Individual
•
Filing: 1968-03-28
•
Granted: 1970-10-13
•
Expires: 1988-03-28
Abstract
No abstract record available.
Inventors
- 👤 Albert M Herzig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:40
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/22; G02C5/2263; G02C5/02; G02C5/10; G02C5/14; G02C5/143
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB345075A
Cited
FR801412A
Cited
FR847794A
Cited
GB588539A
Cited
GB626533A
Cited
FR1039916A
Cited
FR1049163A
Cited
US2753762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |